# 221B GROUP LIMITED (09983471)

> 221B GROUP LIMITED is an active private limited company (company number 09983471) incorporated on 2 February 2016, registered in Chelmsford. Its registered activity is security systems service activities (SIC 80200). Latest micro accounts cover the period ending 28 February 2026, showing net assets of £18k, with 4 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 42% on the prior period (£31k).

- Status: Active
- Incorporated: 2016-02-02
- Registered office: Chelmsford, CM1 1SS
- SIC 80200: Security systems service activities
- Next accounts due: 2027-11-28
- Confirmation statement due: 2027-02-16
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 235 comparable companies in Essex (median £6,545, upper quartile £49k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2026-02-28 | £18k | — | — | — | — | — | 4 |
| 2025-02-28 | £31k | — | — | — | — | — | 4 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £17,712 at 28 February 2026
- Net assets down 25% or more on the prior period: -42.3% vs prior period
- Incorporated five or more years ago: Incorporated 2 February 2016

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Mark Thorne — owns 50–75% of shares, since 2022-09-10

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/09983471
HTML: https://firmoscan.com/company/09983471-221b-group-limited